./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1201.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1201.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0408b8dd1e50dba1d05ee8137dbd65dd8b8c61dcceb5e60c09fc08110798cce8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:41:20,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:41:20,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:41:20,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:41:20,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:41:20,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:41:20,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:41:20,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:41:20,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:41:20,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:41:20,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:41:20,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:41:20,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:41:20,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:41:20,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:41:20,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:41:20,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:41:20,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:41:20,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:41:20,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:41:20,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:41:20,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:41:20,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:41:20,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:41:20,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:41:20,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:41:20,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:41:20,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:41:20,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:41:20,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:41:20,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:41:20,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:41:20,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:41:20,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:41:20,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:41:20,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:41:20,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:41:20,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:41:20,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:41:20,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:41:20,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:41:20,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:41:20,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:41:20,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:41:20,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:41:20,452 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:41:20,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:41:20,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:41:20,453 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:41:20,453 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:41:20,453 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:41:20,454 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:41:20,454 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:41:20,454 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:41:20,455 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:41:20,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:41:20,455 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:41:20,455 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:41:20,456 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:41:20,456 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:41:20,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:41:20,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:41:20,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:41:20,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:41:20,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:41:20,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:41:20,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:41:20,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:41:20,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:41:20,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:41:20,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:41:20,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:41:20,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:41:20,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:41:20,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:41:20,461 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:41:20,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:41:20,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:41:20,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:41:20,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:41:20,463 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0408b8dd1e50dba1d05ee8137dbd65dd8b8c61dcceb5e60c09fc08110798cce8 [2021-11-25 18:41:20,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:41:20,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:41:20,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:41:20,825 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:41:20,826 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:41:20,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1201.ko-entry_point.cil.out.i [2021-11-25 18:41:20,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/data/3702e3d92/81228364362749debcdb335f4799f7ea/FLAG5c7d9ab68 [2021-11-25 18:41:21,811 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:41:21,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1201.ko-entry_point.cil.out.i [2021-11-25 18:41:21,887 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/data/3702e3d92/81228364362749debcdb335f4799f7ea/FLAG5c7d9ab68 [2021-11-25 18:41:22,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/data/3702e3d92/81228364362749debcdb335f4799f7ea [2021-11-25 18:41:22,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:41:22,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:41:22,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:41:22,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:41:22,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:41:22,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:41:22" (1/1) ... [2021-11-25 18:41:22,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4988bdf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:22, skipping insertion in model container [2021-11-25 18:41:22,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:41:22" (1/1) ... [2021-11-25 18:41:22,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:41:22,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:41:23,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1201.ko-entry_point.cil.out.i[149470,149483] [2021-11-25 18:41:23,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:41:23,860 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:41:24,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1201.ko-entry_point.cil.out.i[149470,149483] [2021-11-25 18:41:24,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:41:24,182 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:41:24,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24 WrapperNode [2021-11-25 18:41:24,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:41:24,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:41:24,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:41:24,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:41:24,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (1/1) ... [2021-11-25 18:41:24,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (1/1) ... [2021-11-25 18:41:24,332 INFO L137 Inliner]: procedures = 88, calls = 403, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 1034 [2021-11-25 18:41:24,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:41:24,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:41:24,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:41:24,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:41:24,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (1/1) ... [2021-11-25 18:41:24,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (1/1) ... [2021-11-25 18:41:24,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (1/1) ... [2021-11-25 18:41:24,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (1/1) ... [2021-11-25 18:41:24,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (1/1) ... [2021-11-25 18:41:24,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (1/1) ... [2021-11-25 18:41:24,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (1/1) ... [2021-11-25 18:41:24,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:41:24,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:41:24,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:41:24,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:41:24,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (1/1) ... [2021-11-25 18:41:24,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:41:24,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:41:24,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:41:24,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:41:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2021-11-25 18:41:24,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2021-11-25 18:41:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:41:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure load_pkt [2021-11-25 18:41:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure load_pkt [2021-11-25 18:41:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:41:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:41:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:41:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:41:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:41:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:41:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:41:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:41:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:41:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-25 18:41:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-25 18:41:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:41:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:41:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:41:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:41:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2021-11-25 18:41:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2021-11-25 18:41:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:41:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:41:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-25 18:41:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-25 18:41:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure type_trans [2021-11-25 18:41:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure type_trans [2021-11-25 18:41:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 18:41:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 18:41:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:41:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 18:41:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 18:41:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:41:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:41:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:41:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:41:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:41:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:41:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-25 18:41:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-25 18:41:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:41:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:41:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:41:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-25 18:41:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-25 18:41:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:41:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:41:25,156 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:41:25,159 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:41:25,527 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:41:26,737 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:41:27,156 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:41:27,157 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-25 18:41:27,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:41:27 BoogieIcfgContainer [2021-11-25 18:41:27,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:41:27,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:41:27,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:41:27,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:41:27,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:41:22" (1/3) ... [2021-11-25 18:41:27,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142411c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:41:27, skipping insertion in model container [2021-11-25 18:41:27,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:24" (2/3) ... [2021-11-25 18:41:27,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142411c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:41:27, skipping insertion in model container [2021-11-25 18:41:27,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:41:27" (3/3) ... [2021-11-25 18:41:27,173 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1201.ko-entry_point.cil.out.i [2021-11-25 18:41:27,181 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:41:27,181 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:41:27,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:41:27,276 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:41:27,276 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:41:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 148 states have (on average 1.445945945945946) internal successors, (214), 153 states have internal predecessors, (214), 45 states have call successors, (45), 16 states have call predecessors, (45), 15 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-11-25 18:41:27,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:41:27,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:27,329 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:27,329 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:27,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:27,336 INFO L85 PathProgramCache]: Analyzing trace with hash 875927867, now seen corresponding path program 1 times [2021-11-25 18:41:27,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:27,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345491000] [2021-11-25 18:41:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:27,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:41:27,862 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:27,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345491000] [2021-11-25 18:41:27,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345491000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:27,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:27,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:41:27,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028149436] [2021-11-25 18:41:27,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:27,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:41:27,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:27,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:41:27,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:27,939 INFO L87 Difference]: Start difference. First operand has 210 states, 148 states have (on average 1.445945945945946) internal successors, (214), 153 states have internal predecessors, (214), 45 states have call successors, (45), 16 states have call predecessors, (45), 15 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:41:28,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:28,850 INFO L93 Difference]: Finished difference Result 608 states and 887 transitions. [2021-11-25 18:41:28,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:41:28,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-11-25 18:41:28,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:28,872 INFO L225 Difference]: With dead ends: 608 [2021-11-25 18:41:28,872 INFO L226 Difference]: Without dead ends: 392 [2021-11-25 18:41:28,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:28,883 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 268 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:28,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 532 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:41:28,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2021-11-25 18:41:28,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2021-11-25 18:41:28,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 283 states have (on average 1.392226148409894) internal successors, (394), 283 states have internal predecessors, (394), 80 states have call successors, (80), 29 states have call predecessors, (80), 28 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2021-11-25 18:41:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 553 transitions. [2021-11-25 18:41:28,980 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 553 transitions. Word has length 18 [2021-11-25 18:41:28,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:28,981 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 553 transitions. [2021-11-25 18:41:28,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:41:28,982 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 553 transitions. [2021-11-25 18:41:28,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 18:41:28,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:28,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:28,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:41:28,985 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:28,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:28,986 INFO L85 PathProgramCache]: Analyzing trace with hash 143795508, now seen corresponding path program 1 times [2021-11-25 18:41:28,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:28,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132789872] [2021-11-25 18:41:28,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:28,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:29,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:41:29,166 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:29,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132789872] [2021-11-25 18:41:29,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132789872] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:29,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:29,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:41:29,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007923790] [2021-11-25 18:41:29,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:29,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:41:29,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:29,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:41:29,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:29,173 INFO L87 Difference]: Start difference. First operand 392 states and 553 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:41:29,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:29,583 INFO L93 Difference]: Finished difference Result 779 states and 1098 transitions. [2021-11-25 18:41:29,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:41:29,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2021-11-25 18:41:29,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:29,595 INFO L225 Difference]: With dead ends: 779 [2021-11-25 18:41:29,595 INFO L226 Difference]: Without dead ends: 391 [2021-11-25 18:41:29,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:29,608 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 283 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:29,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 237 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:41:29,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2021-11-25 18:41:29,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2021-11-25 18:41:29,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 282 states have (on average 1.3829787234042554) internal successors, (390), 282 states have internal predecessors, (390), 80 states have call successors, (80), 29 states have call predecessors, (80), 28 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2021-11-25 18:41:29,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 549 transitions. [2021-11-25 18:41:29,687 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 549 transitions. Word has length 21 [2021-11-25 18:41:29,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:29,688 INFO L470 AbstractCegarLoop]: Abstraction has 391 states and 549 transitions. [2021-11-25 18:41:29,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:41:29,690 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 549 transitions. [2021-11-25 18:41:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 18:41:29,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:29,700 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:29,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:41:29,701 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:29,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:29,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1063983033, now seen corresponding path program 1 times [2021-11-25 18:41:29,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:29,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64262901] [2021-11-25 18:41:29,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:29,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 18:41:29,921 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:29,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64262901] [2021-11-25 18:41:29,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64262901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:29,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:29,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:41:29,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526237239] [2021-11-25 18:41:29,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:29,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:41:29,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:29,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:41:29,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:41:29,927 INFO L87 Difference]: Start difference. First operand 391 states and 549 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:41:31,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:31,165 INFO L93 Difference]: Finished difference Result 778 states and 1104 transitions. [2021-11-25 18:41:31,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:41:31,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2021-11-25 18:41:31,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:31,180 INFO L225 Difference]: With dead ends: 778 [2021-11-25 18:41:31,180 INFO L226 Difference]: Without dead ends: 773 [2021-11-25 18:41:31,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:41:31,190 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 262 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:31,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 803 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:41:31,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2021-11-25 18:41:31,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 765. [2021-11-25 18:41:31,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 550 states have (on average 1.3854545454545455) internal successors, (762), 550 states have internal predecessors, (762), 158 states have call successors, (158), 57 states have call predecessors, (158), 56 states have return successors, (169), 157 states have call predecessors, (169), 157 states have call successors, (169) [2021-11-25 18:41:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1089 transitions. [2021-11-25 18:41:31,281 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1089 transitions. Word has length 39 [2021-11-25 18:41:31,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:31,282 INFO L470 AbstractCegarLoop]: Abstraction has 765 states and 1089 transitions. [2021-11-25 18:41:31,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:41:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1089 transitions. [2021-11-25 18:41:31,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 18:41:31,297 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:31,298 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:31,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:41:31,298 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:31,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:31,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1185351831, now seen corresponding path program 1 times [2021-11-25 18:41:31,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:31,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367656938] [2021-11-25 18:41:31,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:31,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 18:41:31,462 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:31,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367656938] [2021-11-25 18:41:31,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367656938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:31,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:31,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:41:31,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393072306] [2021-11-25 18:41:31,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:31,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:41:31,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:31,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:41:31,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:31,466 INFO L87 Difference]: Start difference. First operand 765 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:41:32,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:32,159 INFO L93 Difference]: Finished difference Result 1208 states and 1716 transitions. [2021-11-25 18:41:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:41:32,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 84 [2021-11-25 18:41:32,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:32,164 INFO L225 Difference]: With dead ends: 1208 [2021-11-25 18:41:32,165 INFO L226 Difference]: Without dead ends: 447 [2021-11-25 18:41:32,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:32,169 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 34 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:32,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 466 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-25 18:41:32,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-11-25 18:41:32,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 440. [2021-11-25 18:41:32,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 326 states have (on average 1.3895705521472392) internal successors, (453), 326 states have internal predecessors, (453), 83 states have call successors, (83), 31 states have call predecessors, (83), 30 states have return successors, (88), 82 states have call predecessors, (88), 82 states have call successors, (88) [2021-11-25 18:41:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 624 transitions. [2021-11-25 18:41:32,204 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 624 transitions. Word has length 84 [2021-11-25 18:41:32,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:32,205 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 624 transitions. [2021-11-25 18:41:32,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:41:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 624 transitions. [2021-11-25 18:41:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 18:41:32,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:32,209 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:32,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:41:32,210 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:32,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:32,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1266665548, now seen corresponding path program 1 times [2021-11-25 18:41:32,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:32,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639668344] [2021-11-25 18:41:32,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:32,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:41:32,372 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:32,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639668344] [2021-11-25 18:41:32,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639668344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:32,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:32,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:41:32,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841771915] [2021-11-25 18:41:32,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:32,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:41:32,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:32,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:41:32,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:41:32,375 INFO L87 Difference]: Start difference. First operand 440 states and 624 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-25 18:41:33,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:33,582 INFO L93 Difference]: Finished difference Result 869 states and 1246 transitions. [2021-11-25 18:41:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:41:33,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2021-11-25 18:41:33,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:33,587 INFO L225 Difference]: With dead ends: 869 [2021-11-25 18:41:33,587 INFO L226 Difference]: Without dead ends: 454 [2021-11-25 18:41:33,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:41:33,590 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 2 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:33,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 943 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:41:33,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-11-25 18:41:33,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2021-11-25 18:41:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 333 states have (on average 1.3813813813813813) internal successors, (460), 334 states have internal predecessors, (460), 83 states have call successors, (83), 31 states have call predecessors, (83), 33 states have return successors, (95), 84 states have call predecessors, (95), 82 states have call successors, (95) [2021-11-25 18:41:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 638 transitions. [2021-11-25 18:41:33,623 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 638 transitions. Word has length 80 [2021-11-25 18:41:33,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:33,623 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 638 transitions. [2021-11-25 18:41:33,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-25 18:41:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 638 transitions. [2021-11-25 18:41:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 18:41:33,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:33,627 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:33,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:41:33,627 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:33,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:33,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1602010783, now seen corresponding path program 1 times [2021-11-25 18:41:33,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:33,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899921785] [2021-11-25 18:41:33,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:33,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:41:33,798 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:33,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899921785] [2021-11-25 18:41:33,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899921785] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:33,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:33,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 18:41:33,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611664001] [2021-11-25 18:41:33,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:33,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 18:41:33,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:33,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 18:41:33,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:41:33,802 INFO L87 Difference]: Start difference. First operand 450 states and 638 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 18:41:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:35,434 INFO L93 Difference]: Finished difference Result 891 states and 1275 transitions. [2021-11-25 18:41:35,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 18:41:35,435 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2021-11-25 18:41:35,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:35,439 INFO L225 Difference]: With dead ends: 891 [2021-11-25 18:41:35,439 INFO L226 Difference]: Without dead ends: 466 [2021-11-25 18:41:35,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:41:35,442 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 10 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:35,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 1944 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 18:41:35,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-11-25 18:41:35,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 460. [2021-11-25 18:41:35,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 340 states have (on average 1.3676470588235294) internal successors, (465), 341 states have internal predecessors, (465), 84 states have call successors, (84), 31 states have call predecessors, (84), 35 states have return successors, (99), 87 states have call predecessors, (99), 83 states have call successors, (99) [2021-11-25 18:41:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 648 transitions. [2021-11-25 18:41:35,474 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 648 transitions. Word has length 84 [2021-11-25 18:41:35,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:35,477 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 648 transitions. [2021-11-25 18:41:35,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 18:41:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 648 transitions. [2021-11-25 18:41:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 18:41:35,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:35,482 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:35,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:41:35,482 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:35,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:35,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1548826003, now seen corresponding path program 1 times [2021-11-25 18:41:35,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:35,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423726312] [2021-11-25 18:41:35,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:35,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-25 18:41:35,747 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:35,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423726312] [2021-11-25 18:41:35,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423726312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:35,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:35,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:41:35,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311560765] [2021-11-25 18:41:35,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:35,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:41:35,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:35,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:41:35,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:35,750 INFO L87 Difference]: Start difference. First operand 460 states and 648 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 18:41:36,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:36,923 INFO L93 Difference]: Finished difference Result 909 states and 1284 transitions. [2021-11-25 18:41:36,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:41:36,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 90 [2021-11-25 18:41:36,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:36,928 INFO L225 Difference]: With dead ends: 909 [2021-11-25 18:41:36,928 INFO L226 Difference]: Without dead ends: 461 [2021-11-25 18:41:36,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:36,930 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:36,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 476 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:41:36,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-11-25 18:41:36,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2021-11-25 18:41:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 341 states have (on average 1.3665689149560116) internal successors, (466), 342 states have internal predecessors, (466), 84 states have call successors, (84), 31 states have call predecessors, (84), 35 states have return successors, (99), 87 states have call predecessors, (99), 83 states have call successors, (99) [2021-11-25 18:41:36,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 649 transitions. [2021-11-25 18:41:36,994 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 649 transitions. Word has length 90 [2021-11-25 18:41:36,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:36,994 INFO L470 AbstractCegarLoop]: Abstraction has 461 states and 649 transitions. [2021-11-25 18:41:36,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 18:41:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 649 transitions. [2021-11-25 18:41:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 18:41:36,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:36,997 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:36,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:41:36,998 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:36,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:36,999 INFO L85 PathProgramCache]: Analyzing trace with hash -130722288, now seen corresponding path program 1 times [2021-11-25 18:41:36,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:36,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706527859] [2021-11-25 18:41:37,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:37,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 18:41:37,718 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:37,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706527859] [2021-11-25 18:41:37,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706527859] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:37,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:37,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-25 18:41:37,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440924218] [2021-11-25 18:41:37,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:37,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 18:41:37,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:37,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 18:41:37,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2021-11-25 18:41:37,720 INFO L87 Difference]: Start difference. First operand 461 states and 649 transitions. Second operand has 14 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (9), 6 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-25 18:41:43,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:43,187 INFO L93 Difference]: Finished difference Result 1071 states and 1542 transitions. [2021-11-25 18:41:43,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 18:41:43,188 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (9), 6 states have call predecessors, (9), 3 states have call successors, (9) Word has length 91 [2021-11-25 18:41:43,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:43,194 INFO L225 Difference]: With dead ends: 1071 [2021-11-25 18:41:43,195 INFO L226 Difference]: Without dead ends: 636 [2021-11-25 18:41:43,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:41:43,197 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 90 mSDsluCounter, 4497 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 4150 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:43,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 4150 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-11-25 18:41:43,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-11-25 18:41:43,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 469. [2021-11-25 18:41:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 347 states have (on average 1.3602305475504324) internal successors, (472), 347 states have internal predecessors, (472), 85 states have call successors, (85), 31 states have call predecessors, (85), 36 states have return successors, (102), 90 states have call predecessors, (102), 84 states have call successors, (102) [2021-11-25 18:41:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 659 transitions. [2021-11-25 18:41:43,240 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 659 transitions. Word has length 91 [2021-11-25 18:41:43,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:43,240 INFO L470 AbstractCegarLoop]: Abstraction has 469 states and 659 transitions. [2021-11-25 18:41:43,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (9), 6 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-25 18:41:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 659 transitions. [2021-11-25 18:41:43,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 18:41:43,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:43,244 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:43,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:41:43,244 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:43,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:43,245 INFO L85 PathProgramCache]: Analyzing trace with hash -915730903, now seen corresponding path program 1 times [2021-11-25 18:41:43,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:43,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690565955] [2021-11-25 18:41:43,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:43,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 18:41:44,189 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:44,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690565955] [2021-11-25 18:41:44,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690565955] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:44,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:44,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-25 18:41:44,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164951138] [2021-11-25 18:41:44,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:44,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 18:41:44,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:44,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 18:41:44,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2021-11-25 18:41:44,192 INFO L87 Difference]: Start difference. First operand 469 states and 659 transitions. Second operand has 14 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (9), 6 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-25 18:41:48,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:48,275 INFO L93 Difference]: Finished difference Result 934 states and 1318 transitions. [2021-11-25 18:41:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 18:41:48,279 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (9), 6 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2021-11-25 18:41:48,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:48,283 INFO L225 Difference]: With dead ends: 934 [2021-11-25 18:41:48,283 INFO L226 Difference]: Without dead ends: 491 [2021-11-25 18:41:48,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:41:48,285 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 14 mSDsluCounter, 3567 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:48,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 3280 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-25 18:41:48,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-11-25 18:41:48,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 473. [2021-11-25 18:41:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 351 states have (on average 1.3561253561253561) internal successors, (476), 349 states have internal predecessors, (476), 85 states have call successors, (85), 31 states have call predecessors, (85), 36 states have return successors, (102), 92 states have call predecessors, (102), 84 states have call successors, (102) [2021-11-25 18:41:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 663 transitions. [2021-11-25 18:41:48,314 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 663 transitions. Word has length 95 [2021-11-25 18:41:48,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:48,316 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 663 transitions. [2021-11-25 18:41:48,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (9), 6 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-25 18:41:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 663 transitions. [2021-11-25 18:41:48,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-25 18:41:48,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:48,319 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:48,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:41:48,319 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:48,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:48,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1453181594, now seen corresponding path program 1 times [2021-11-25 18:41:48,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:48,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000328303] [2021-11-25 18:41:48,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:48,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 18:41:48,519 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:48,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000328303] [2021-11-25 18:41:48,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000328303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:48,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:48,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:41:48,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476941903] [2021-11-25 18:41:48,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:48,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:41:48,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:48,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:41:48,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:48,523 INFO L87 Difference]: Start difference. First operand 473 states and 663 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-25 18:41:48,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:48,977 INFO L93 Difference]: Finished difference Result 705 states and 993 transitions. [2021-11-25 18:41:48,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:41:48,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 96 [2021-11-25 18:41:48,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:48,982 INFO L225 Difference]: With dead ends: 705 [2021-11-25 18:41:48,982 INFO L226 Difference]: Without dead ends: 477 [2021-11-25 18:41:48,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:48,984 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 4 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:48,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 470 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:41:48,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2021-11-25 18:41:49,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2021-11-25 18:41:49,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 354 states have (on average 1.3531073446327684) internal successors, (479), 353 states have internal predecessors, (479), 85 states have call successors, (85), 31 states have call predecessors, (85), 37 states have return successors, (103), 92 states have call predecessors, (103), 84 states have call successors, (103) [2021-11-25 18:41:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 667 transitions. [2021-11-25 18:41:49,018 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 667 transitions. Word has length 96 [2021-11-25 18:41:49,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:49,019 INFO L470 AbstractCegarLoop]: Abstraction has 477 states and 667 transitions. [2021-11-25 18:41:49,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-25 18:41:49,019 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 667 transitions. [2021-11-25 18:41:49,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-25 18:41:49,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:49,022 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:49,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:41:49,023 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:49,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:49,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1302252283, now seen corresponding path program 1 times [2021-11-25 18:41:49,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:49,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926114325] [2021-11-25 18:41:49,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:49,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:49,296 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 18:41:49,297 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:49,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926114325] [2021-11-25 18:41:49,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926114325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:49,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:49,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 18:41:49,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700365597] [2021-11-25 18:41:49,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:49,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 18:41:49,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:49,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 18:41:49,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:41:49,300 INFO L87 Difference]: Start difference. First operand 477 states and 667 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-25 18:41:51,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:51,282 INFO L93 Difference]: Finished difference Result 949 states and 1331 transitions. [2021-11-25 18:41:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 18:41:51,285 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 97 [2021-11-25 18:41:51,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:51,289 INFO L225 Difference]: With dead ends: 949 [2021-11-25 18:41:51,289 INFO L226 Difference]: Without dead ends: 498 [2021-11-25 18:41:51,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:41:51,292 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 599 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:51,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [628 Valid, 806 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:41:51,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2021-11-25 18:41:51,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 482. [2021-11-25 18:41:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 357 states have (on average 1.341736694677871) internal successors, (479), 356 states have internal predecessors, (479), 86 states have call successors, (86), 31 states have call predecessors, (86), 38 states have return successors, (103), 94 states have call predecessors, (103), 85 states have call successors, (103) [2021-11-25 18:41:51,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 668 transitions. [2021-11-25 18:41:51,327 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 668 transitions. Word has length 97 [2021-11-25 18:41:51,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:51,328 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 668 transitions. [2021-11-25 18:41:51,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-25 18:41:51,329 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 668 transitions. [2021-11-25 18:41:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-25 18:41:51,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:51,332 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:51,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:41:51,333 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:51,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:51,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1574238282, now seen corresponding path program 1 times [2021-11-25 18:41:51,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:51,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650943399] [2021-11-25 18:41:51,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:51,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:51,484 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 18:41:51,484 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:51,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650943399] [2021-11-25 18:41:51,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650943399] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:51,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:51,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:41:51,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039012596] [2021-11-25 18:41:51,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:51,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:41:51,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:51,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:41:51,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:51,488 INFO L87 Difference]: Start difference. First operand 482 states and 668 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:41:52,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:52,225 INFO L93 Difference]: Finished difference Result 1089 states and 1543 transitions. [2021-11-25 18:41:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:41:52,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2021-11-25 18:41:52,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:52,232 INFO L225 Difference]: With dead ends: 1089 [2021-11-25 18:41:52,232 INFO L226 Difference]: Without dead ends: 633 [2021-11-25 18:41:52,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:52,235 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 80 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:52,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 563 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 18:41:52,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2021-11-25 18:41:52,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 478. [2021-11-25 18:41:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 355 states have (on average 1.3380281690140845) internal successors, (475), 354 states have internal predecessors, (475), 84 states have call successors, (84), 31 states have call predecessors, (84), 38 states have return successors, (101), 92 states have call predecessors, (101), 83 states have call successors, (101) [2021-11-25 18:41:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 660 transitions. [2021-11-25 18:41:52,272 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 660 transitions. Word has length 116 [2021-11-25 18:41:52,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:52,272 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 660 transitions. [2021-11-25 18:41:52,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:41:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 660 transitions. [2021-11-25 18:41:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-25 18:41:52,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:52,276 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:52,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 18:41:52,276 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:52,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:52,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1724188082, now seen corresponding path program 1 times [2021-11-25 18:41:52,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:52,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161234459] [2021-11-25 18:41:52,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:52,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 18:41:52,529 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:52,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161234459] [2021-11-25 18:41:52,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161234459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:52,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:52,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:41:52,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554593309] [2021-11-25 18:41:52,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:52,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:41:52,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:52,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:41:52,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:41:52,532 INFO L87 Difference]: Start difference. First operand 478 states and 660 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-25 18:41:54,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:54,242 INFO L93 Difference]: Finished difference Result 1091 states and 1547 transitions. [2021-11-25 18:41:54,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:41:54,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 116 [2021-11-25 18:41:54,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:54,250 INFO L225 Difference]: With dead ends: 1091 [2021-11-25 18:41:54,250 INFO L226 Difference]: Without dead ends: 639 [2021-11-25 18:41:54,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:41:54,258 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 83 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:54,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 1186 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 18:41:54,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2021-11-25 18:41:54,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 484. [2021-11-25 18:41:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 359 states have (on average 1.3454038997214484) internal successors, (483), 360 states have internal predecessors, (483), 84 states have call successors, (84), 31 states have call predecessors, (84), 40 states have return successors, (105), 92 states have call predecessors, (105), 83 states have call successors, (105) [2021-11-25 18:41:54,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 672 transitions. [2021-11-25 18:41:54,311 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 672 transitions. Word has length 116 [2021-11-25 18:41:54,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:54,311 INFO L470 AbstractCegarLoop]: Abstraction has 484 states and 672 transitions. [2021-11-25 18:41:54,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-25 18:41:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 672 transitions. [2021-11-25 18:41:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-25 18:41:54,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:54,315 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:54,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:41:54,316 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:54,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:54,317 INFO L85 PathProgramCache]: Analyzing trace with hash -318579255, now seen corresponding path program 1 times [2021-11-25 18:41:54,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:54,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883667066] [2021-11-25 18:41:54,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:54,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 18:41:54,582 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:54,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883667066] [2021-11-25 18:41:54,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883667066] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:41:54,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581968978] [2021-11-25 18:41:54,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:54,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:41:54,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:41:54,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:41:54,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:41:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:55,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 18:41:55,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:41:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 18:41:55,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:41:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 18:41:55,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581968978] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-25 18:41:55,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:41:55,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 6 [2021-11-25 18:41:55,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956807218] [2021-11-25 18:41:55,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:55,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:41:55,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:55,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:41:55,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:41:56,000 INFO L87 Difference]: Start difference. First operand 484 states and 672 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:41:56,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:56,808 INFO L93 Difference]: Finished difference Result 948 states and 1330 transitions. [2021-11-25 18:41:56,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:41:56,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2021-11-25 18:41:56,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:56,814 INFO L225 Difference]: With dead ends: 948 [2021-11-25 18:41:56,814 INFO L226 Difference]: Without dead ends: 490 [2021-11-25 18:41:56,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 230 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:41:56,817 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 2 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:56,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 462 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:41:56,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2021-11-25 18:41:56,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 486. [2021-11-25 18:41:56,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 361 states have (on average 1.3434903047091413) internal successors, (485), 362 states have internal predecessors, (485), 84 states have call successors, (84), 31 states have call predecessors, (84), 40 states have return successors, (105), 92 states have call predecessors, (105), 83 states have call successors, (105) [2021-11-25 18:41:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 674 transitions. [2021-11-25 18:41:56,856 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 674 transitions. Word has length 117 [2021-11-25 18:41:56,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:56,857 INFO L470 AbstractCegarLoop]: Abstraction has 486 states and 674 transitions. [2021-11-25 18:41:56,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:41:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 674 transitions. [2021-11-25 18:41:56,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-25 18:41:56,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:56,862 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:56,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:41:57,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:41:57,079 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:41:57,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:57,079 INFO L85 PathProgramCache]: Analyzing trace with hash -719785516, now seen corresponding path program 1 times [2021-11-25 18:41:57,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:57,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138239746] [2021-11-25 18:41:57,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:57,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 18:41:57,585 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:57,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138239746] [2021-11-25 18:41:57,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138239746] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:41:57,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209966351] [2021-11-25 18:41:57,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:57,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:41:57,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:41:57,588 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:41:57,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8505bca-195f-4529-938c-e689de17d319/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:41:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:59,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:41:59,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:41:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 18:41:59,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:42:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 18:42:00,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209966351] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:42:00,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1486356137] [2021-11-25 18:42:00,051 INFO L159 IcfgInterpreter]: Started Sifa with 95 locations of interest [2021-11-25 18:42:00,052 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:42:00,058 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:42:00,064 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:42:00,065 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:42:00,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2021-11-25 18:42:00,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:01,567 INFO L354 Elim1Store]: treesize reduction 300, result has 47.5 percent of original size [2021-11-25 18:42:01,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 467 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 30 case distinctions, treesize of input 162 treesize of output 374 [2021-11-25 18:42:01,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:02,860 INFO L354 Elim1Store]: treesize reduction 540, result has 33.4 percent of original size [2021-11-25 18:42:02,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 498 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 60 case distinctions, treesize of input 172 treesize of output 385 [2021-11-25 18:42:03,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2021-11-25 18:42:03,050 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2021-11-25 18:42:03,061 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2021-11-25 18:42:03,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:42:03,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-25 18:42:03,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:42:03,622 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2021-11-25 18:42:04,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:42:04,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:42:04,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:42:04,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:04,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 166 [2021-11-25 18:42:04,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:04,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 166 [2021-11-25 18:42:04,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:04,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 168 [2021-11-25 18:42:06,825 INFO L354 Elim1Store]: treesize reduction 32, result has 40.7 percent of original size [2021-11-25 18:42:06,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 168 [2021-11-25 18:42:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:06,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:07,198 INFO L244 Elim1Store]: Index analysis took 301 ms [2021-11-25 18:42:09,404 INFO L354 Elim1Store]: treesize reduction 398, result has 2.5 percent of original size [2021-11-25 18:42:09,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 203 [2021-11-25 18:42:09,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:09,756 INFO L244 Elim1Store]: Index analysis took 234 ms [2021-11-25 18:42:11,828 INFO L354 Elim1Store]: treesize reduction 331, result has 18.9 percent of original size [2021-11-25 18:42:11,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 270 [2021-11-25 18:42:11,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:12,362 INFO L354 Elim1Store]: treesize reduction 69, result has 32.4 percent of original size [2021-11-25 18:42:12,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 58 [2021-11-25 18:42:12,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:12,691 INFO L354 Elim1Store]: treesize reduction 69, result has 32.4 percent of original size [2021-11-25 18:42:12,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 69 [2021-11-25 18:42:12,812 INFO L354 Elim1Store]: treesize reduction 32, result has 40.7 percent of original size [2021-11-25 18:42:12,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 49 [2021-11-25 18:42:20,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2021-11-25 18:42:30,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2021-11-25 18:42:33,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2021-11-25 18:42:33,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-11-25 18:42:33,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-11-25 18:42:33,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:33,640 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-25 18:42:33,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 14 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 78 [2021-11-25 18:42:34,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2021-11-25 18:42:34,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 18:42:34,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 18:42:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-11-25 18:42:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,566 INFO L354 Elim1Store]: treesize reduction 100, result has 10.7 percent of original size [2021-11-25 18:42:34,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 102 [2021-11-25 18:42:34,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,622 INFO L354 Elim1Store]: treesize reduction 73, result has 34.8 percent of original size [2021-11-25 18:42:34,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 141 [2021-11-25 18:42:34,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:34,964 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 18:42:34,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 102 treesize of output 44 [2021-11-25 18:42:35,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 18:42:35,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 18:42:35,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:35,715 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 18:42:35,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 102 treesize of output 44 [2021-11-25 18:42:36,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:42:36,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:42:36,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:42:36,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:42:36,392 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-25 18:42:36,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-25 18:42:36,473 INFO L354 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2021-11-25 18:42:36,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 30 [2021-11-25 18:42:37,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:42:37,030 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-25 18:42:37,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 138 [2021-11-25 18:42:37,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:42:37,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2021-11-25 18:42:37,197 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-25 18:42:37,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 240 treesize of output 204 [2021-11-25 18:42:37,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2021-11-25 18:42:37,258 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 18:42:37,309 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-25 18:42:37,428 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-25 18:42:37,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 240 treesize of output 204 [2021-11-25 18:42:37,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2021-11-25 18:42:37,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2021-11-25 18:42:37,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:42:37,584 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-25 18:42:37,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-25 18:42:37,603 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-25 18:42:37,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-25 18:42:37,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2021-11-25 18:42:37,719 INFO L354 Elim1Store]: treesize reduction 85, result has 44.8 percent of original size [2021-11-25 18:42:37,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 130 [2021-11-25 18:42:37,851 INFO L354 Elim1Store]: treesize reduction 89, result has 42.2 percent of original size [2021-11-25 18:42:37,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 118 [2021-11-25 18:42:38,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2021-11-25 18:42:38,205 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-25 18:42:38,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-11-25 18:42:38,233 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-25 18:42:38,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-11-25 18:42:38,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:38,404 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:42:38,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 48 [2021-11-25 18:42:38,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:38,489 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-25 18:42:38,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 24 [2021-11-25 18:42:39,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:39,116 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-25 18:42:39,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 24 [2021-11-25 18:42:39,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:39,173 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:42:39,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 48 [2021-11-25 18:42:39,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:39,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-11-25 18:42:39,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:39,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2021-11-25 18:42:39,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2021-11-25 18:42:39,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:42:39,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:42:39,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:42:40,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:42:40,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:42:40,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:42:40,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:42:40,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:42:40,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:42:41,219 INFO L354 Elim1Store]: treesize reduction 520, result has 8.1 percent of original size [2021-11-25 18:42:41,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 55 [2021-11-25 18:42:41,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 55 [2021-11-25 18:42:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:42,318 INFO L354 Elim1Store]: treesize reduction 234, result has 24.3 percent of original size [2021-11-25 18:42:42,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 101 [2021-11-25 18:42:42,473 INFO L354 Elim1Store]: treesize reduction 72, result has 35.1 percent of original size [2021-11-25 18:42:42,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 109 [2021-11-25 18:42:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:42,595 INFO L354 Elim1Store]: treesize reduction 60, result has 39.4 percent of original size [2021-11-25 18:42:42,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 65 [2021-11-25 18:42:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:42,693 INFO L354 Elim1Store]: treesize reduction 60, result has 39.4 percent of original size [2021-11-25 18:42:42,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 65 [2021-11-25 18:42:46,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,684 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-25 18:42:46,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 14 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 78 [2021-11-25 18:42:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2021-11-25 18:42:46,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-11-25 18:42:46,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:46,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-11-25 18:42:47,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,320 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 18:42:47,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 102 treesize of output 44 [2021-11-25 18:42:47,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 18:42:47,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 18:42:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:47,745 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 18:42:47,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 102 treesize of output 44 [2021-11-25 18:42:48,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:42:48,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:42:48,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:42:48,228 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-25 18:42:48,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-25 18:42:48,284 INFO L354 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2021-11-25 18:42:48,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 30 [2021-11-25 18:42:48,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:42:48,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:48,775 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:42:48,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 48 [2021-11-25 18:42:48,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:48,852 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-25 18:42:48,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 24 [2021-11-25 18:42:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:49,197 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:42:49,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 48 [2021-11-25 18:42:49,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:49,267 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-25 18:42:49,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 24 [2021-11-25 18:42:49,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:42:49,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:42:49,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:42:50,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:42:50,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:42:50,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:42:50,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:42:50,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:42:50,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:42:51,398 INFO L354 Elim1Store]: treesize reduction 520, result has 8.1 percent of original size [2021-11-25 18:42:51,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 55 [2021-11-25 18:42:51,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 55 [2021-11-25 18:42:51,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:51,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:52,468 INFO L354 Elim1Store]: treesize reduction 234, result has 24.3 percent of original size [2021-11-25 18:42:52,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 101 [2021-11-25 18:42:52,604 INFO L354 Elim1Store]: treesize reduction 72, result has 35.1 percent of original size [2021-11-25 18:42:52,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 109 [2021-11-25 18:42:52,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:52,713 INFO L354 Elim1Store]: treesize reduction 60, result has 39.4 percent of original size [2021-11-25 18:42:52,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 65 [2021-11-25 18:42:52,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:52,825 INFO L354 Elim1Store]: treesize reduction 60, result has 39.4 percent of original size [2021-11-25 18:42:52,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 65 [2021-11-25 18:42:56,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:42:56,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-11-25 18:42:56,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:42:56,759 INFO L354 Elim1Store]: treesize reduction 520, result has 8.1 percent of original size [2021-11-25 18:42:56,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 55 [2021-11-25 18:42:56,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:56,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 55 [2021-11-25 18:42:59,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,745 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-25 18:42:59,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 14 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 78 [2021-11-25 18:42:59,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2021-11-25 18:42:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-11-25 18:42:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:59,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-11-25 18:43:00,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:00,269 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 18:43:00,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 102 treesize of output 44